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Geoecological investigations of the Ob-Irtysh River Basin in the Khanty-Mansi Autonomous region: Yugra in 2006–2007

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Abstract

This paper reports the results of the investigations of 2006–2007 on the distribution and migration forms of artificial radionuclides and chemical elements in the Ob-Irtysh water system. Three regions were studied. One of them is a local segment of the Ob River upstream from the confluence with the Irtysh River; its investigation allowed us to estimate the general radioecological state of the aquatic environment affected by the activity of the Tomsk 7 plant. The second region is a local segment of the Irtysh River upstream from its confluence with the Ob River, where the influence of emissions from the NPO Mayak could be estimated. The third region is the water area of the Ob River after its confluence with the Irtysh River. It characterizes the real level of radioactive and chemical contamination of the middle reaches of the Ob River.

In order to explain horizontal variations in the distribution of radionuclides in the upper layer of bottom sediments collected at various sites, the results of sorption-kinetic experiments with radioactive tracers in the precipitate-solution system were used. The investigation of the migration forms of trace elements and radionuclides occurring in river water was based on the method of tangential-flow membrane filtration.

Chemical element contents were determined in 400-ml water samples. A set of Millipore polysulfone membranes with pore sizes of 8, 1.2, 0.45, 0.1, and 0.025 μm was employed. Taking into account the ultralow specific concentrations of radionuclides in the water, they were analyzed in 300–500 litre samples using Millipore polysulfone membranes with pore sizes of 0.45 μm and 15 kDa. This allowed us to estimate the percentages of cesium-137 and plutonium-239, 240 in the suspended particulate fraction, colloids, and dissolved species.

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References

  1. R. Perianez, “Modeling the Distribution of Radionuclides in Deep Ocean Water Columns. Application to 3H, 137Cs, and 239,240Pu,” J. Environ. Radioact. 38(2), 173–194 (1998).

    Article  Google Scholar 

  2. V. K. Pavlov, M. Yu. Kulakov, and V. V. Stanovoi, “Modeling Radionuclide Transfer and Transformation in a Dissolved State and on Suspended Matter in the Kara Sea,” Tr. AANII 442, 180–190 (1999).

    Google Scholar 

  3. M. A. Novitskii, “Model of the Long-Term Transfer of Radionuclides in the River Channel,” Meteorol. Gidrol., No. 1, 124 (1993).

  4. Methods of the Calculation of Environmental Distribution of Radioactive Materials and the Doses of Population Irradiation (MKhO INTERATOMENERGO, Moscow, 1992) [in Russian].

  5. V. P. Keondzhyan, M. I. Kabanov, S. A. Lebedev, et al., “Structure and Possibilities of the Automated System ‘Regional Ecological Monitoring of the Marine Environment’,” Geokhimiya, No. 5, 760–767 (1993).

  6. O. I. Leonenko, “Modeling of the Distribution of Petroleum Hydrocarbons in the Bay of Burgas,” in Practical Ecology of Marine Regions. Black Sea, Ed. by V. P. Keondzhyan, A. M. Kudin, and Yu. V. Terekhin (Naukova dumka, Kiev, 1990), pp. 133–136 [in Russian].

    Google Scholar 

  7. P. J. Roache, Computational Fluid Dynamics (Hermosa, Albuquerque, 1976; Mir, Moscow, 1980) [in Russian].

    Google Scholar 

  8. K. Bryan, “A Numerical Method for the Study of the Circulation of the World Ocean,” J. Comput. Phys. 1(3), 68–75 (1969).

    Google Scholar 

  9. O. Stepanets, A. Borisov, V. Komarevsky, et al., “Radioecological Research in the Yenisei and Ob Rivers and Adjacent Kara Sea Shelf. The German-Russian Project on Siberian River Run-off (SIRRO): Scientific Cruise Report of the Kara-Sea Expedition ’sIRRO, 2000’ of R/V ‘Akademik Boris Petrov’ and First Results,” Ber. Polarforsch. 393, 197–204 (2001).

    Google Scholar 

  10. O. Stepanets, A. Borisov, A. Ligaev, et al., “Anthropogenic Pollution of the Kara Sea and Estuaries of the Yenisei and Ob Rivers Based on Data of the 2000 and 2001 Cruises,” in Scientific Cruise Report of the Kara Sea Expedition 2001 of R/V “Akademik Boris Petrov”: The German-Russian Project on Siberian River Run-off (SIRRO) and the EU Project “Establish”, Ed. by R. Stein and O. Stepanets, Ber. Polarforsch. 419, 180–190 (2002).

  11. B. Shmelkov, A. Latko, and V. Stanovoy, “Hydrological Conditions in the Kara Sea during Summer Cruise 2001,” in Scientific Cruise Report of the Kara Sea Expedition 2001 of R/V “Akademik Boris Petrov”: The German-sRussian Project on Siberian River Run-off (SIRRO) and the EU Project “Establish”, Ed. by R. Stein and O. Stepanets, Ber. Polarforsch. 419, 6–12 (2002).

  12. B. Shmelkov and A. Latko, “Hydrological Investigations in the Kara Sea during Cruise 2002,” in Scientific Cruise Report of the Joint Russian-German Kara Sea Expedition in 2002 with R/V “Akademik Boris Petrov”, Ed. by F. Shoster and M. Levitan, Ber. Polarforsch. 450, 10–13 (2003).

  13. H. Harms, U. Hubner, J. O. Backhous, et al., “Salt Intrusions in Siberian River Estuaries: Observations and Model Experiments in Ob and Yenisei,” in Siberian River Run-Off in the Kara Sea, Ed. by R. Stein and K. Fahl, Proc. Mar. Sci. 6, 27–46 (2003).

  14. M. Kulakov and V. Stanovoy, “Application of SCRUM for Modeling Fresh Water Spreading in the Kara Sea,” in Models for Prediction of Contaminant Transport in the Yenisey Estuary, Ed. by M. Novitsky, I. Harms, and J. E. Harms, Deliverable No. 6 for Project “ESTABLISH”, 27–44 (2003).

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Correspondence to O. V. Stepanets.

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Original Russian Text © O.V. Stepanets, A.N. Ligaev, A.P. Borisov, A.V. Travkina, V.M. Shkinev, T.V. Danilova, A.Yu. Miroshnikov, V.I. Migunov, 2009, published in Geokhimiya, 2009, No. 7, pp. 699–713.

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Stepanets, O.V., Ligaev, A.N., Borisov, A.P. et al. Geoecological investigations of the Ob-Irtysh River Basin in the Khanty-Mansi Autonomous region: Yugra in 2006–2007. Geochem. Int. 47, 657–671 (2009). https://doi.org/10.1134/S0016702909070027

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